The importance of oxygen in human life cannot be overemphasized. Two of the hundreds of functions performed by oxygen in the human body stand out: ...

Are you pretty good at breathing? It is one thing most people on the planet can do with ease, even in their sleep, however, this can't be said for others. We ...

Breathing: It is something that most of us take for granted, but understanding how oxygen-rich air enters your lungs where it is exchanged for carbon dioxide ...

A pulmonary embolism (PE) is a serious medical condition that occurs when one of the pulmonary arteries in the lungs suddenly becomes blocked. If the blood ...